A parachutes drop from the ceiling of the Akron Airdock is recorded in a series of timed exposures in January 1953. Researchers conducted more than 700 drops in the airdock. (Akron Beacon Journal file photo)

A Goodyear Aircraft Corp. drawing shows the procedure for parachute experiments in the Akron Airdock in the early 1950s. Tests were made at night with small lights attached to the parachutes in the darkened airdock. (Akron Beacon Journal file photo)